experiment 4: archimedes' principle Flashcards

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1
Q

who discovered the Archimedes’ Principle

A

in 212 B.C. the Greek scientist Archimedes

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2
Q

briefly explain the following principle discovered

A

an object immersed in a fluid is buoyed up by a force equal to the weight of the fluid displaced by the object

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3
Q

what material is used to weigh the solid sample in air

A

force sensor connected to Xplorer GLX

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4
Q

weight of the solid sample in the air

A

Wa

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5
Q

weight of the dipped solid sample into the water contained in a beaker

A

Ww

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6
Q

Pw

A

density of water equal to 1g/cc

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7
Q

how much liquid do we need to fill in the graduated cylinder

A

250ml

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8
Q

what should you immerse into the liquid

A

hydrometer
*record the true value of the density of the liquid sample

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9
Q

weight of the metal sample in the air

A

Wa

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10
Q

weight while submerged in the liquid

A

WL

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11
Q

What happens to the weight when an object is immersed in water

A

It feels lighter

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12
Q

What happens when you insert a mass in the liquid

A

It causes to displace upward

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13
Q

What is the length of the string

A

2 string (0.20m)

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